Summary & Overview
CPT 88142: Thin-Layer Cervical/Vaginal Cytology with Manual Screening
CPT code 88142 bills for laboratory cytopathology testing of clinician-collected cervical or vaginal specimens preserved in fluid, using automated thin layer slide preparation followed by manual screening under physician supervision. This code is important nationally because cervical and vaginal cytology remain integral to preventive women's health services and cancer screening pathways; accurate coding supports appropriate laboratory workflows, quality reporting, and payer reimbursement consistency.
Key payers included in this analysis are Aetna, Blue Cross Blue Shield, Cigna Health, UnitedHealthcare, and Medicare. Readers will find an overview of how 88142 is defined clinically, where the service is typically performed, and the role of automated thin layer methods combined with manual review in cytology practice. The publication summarizes common payer considerations and shows benchmark context for utilization and coverage themes. It also outlines typical service components and supervisory relationships relevant to billing.
This national-level summary highlights clinical context, billing scope, and payer landscape so stakeholders — including laboratory managers, coding professionals, and payers — can understand where 88142 fits within cytopathology service delivery and claims processing. Data not available in the input are noted where applicable.
Billing Code Overview
CPT code 88142 describes a laboratory service in which a lab analyst prepares and analyzes a cervical or vaginal cytopathology specimen collected by a clinician in preservative fluid. The procedure uses automated thin layer preparation of the specimen followed by manual screening under a supervising physician's oversight. The code applies to reporting under any cytology reporting system, including Bethesda or non–Bethesda systems.
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Service type: Laboratory cytopathology testing with automated thin layer preparation plus manual screening under physician supervision
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Typical site of service: Clinical laboratory or hospital laboratory handling clinician-collected cervical or vaginal specimens in preservative fluid
Clinical & Coding Specifications
Clinical Context
A 32-year-old woman presents to her primary care clinician or gynecology clinic for routine cervical cancer screening or evaluation of abnormal vaginal bleeding. The clinician collects a cervical or vaginal specimen using a liquid preservative medium (liquid-based cytology) during a pelvic exam. The specimen is sent to the clinical laboratory where a cytology technologist processes the sample using an automated thin-layer preparation system. The lab analyst performs the technical component of the cytology test, prepares the thin-layer slide, and conducts manual screening under the supervision of a licensed pathologist or cytopathologist who performs the professional component and signs out the result. Typical workflow steps include specimen accessioning, automated slide preparation, manual microscopic screening, documentation of findings according to a reporting system (for example, the Bethesda System), and transmission of results to the ordering clinician. Typical sites of service are outpatient physician offices, gynecology clinics, community health centers, and independent or hospital-based clinical laboratories. Typical clinical indications include routine screening (Z01.411, Z01.419) , follow-up of prior abnormal cytology, evaluation of vaginal bleeding or pelvic pain, and post-treatment surveillance for cervical dysplasia.
Coding Specifications
| Modifier | Description | When to Use |
|---|---|---|
26 |